Structure of chromosome, cell cycle and cell division — Biology STD 10 — Question

__________ are the blood vessels which usually carry oxygenated blood.

Complete the following sentence with appropriate word:

The U-shaped portion of a nephron located in the medulla region is called ______.

95% of the total transpiration takes place through ________.

Note the relationship between the first two words and suggest the suitable word/words for the fourth place.
Cerebrum: Diencephalon:: Cerebellum: ……………….

Primitive man began existence about ______ million years back.

Plants become cool as a result of _____________

The ____________ have thin and less muscular . ____________ and have ____________ to prevent the back flow of blood.

______ is a disease caused by hypoparathyroidism.

Colchicine arrests cell division at _______ .